Nacho Aldeguer is a Spanish actor and voice actor born in Madrid on September 10, 1985. He began his career in dubbing at the age of five, following in the footsteps of his father, Salvador Aldeguer, who is also a voice actor. One of his earliest roles was providing the Spanish voice for the character Richie on the television series Cosas de casa.

Aldeguer has built an extensive career in voice acting, lending his voice to numerous characters in film and television. He is particularly well-known for being the regular Spanish dubbing voice for actors such as Haley Joel Osment, Emile Hirsch, and Tom Felton. One of his most prominent roles was as the voice of Draco Malfoy in the first four Harry Potter films, a part he played from Harry Potter and the Philosopher's Stone to Harry Potter and the Goblet of Fire. He also voiced the character Troy Bolton in the High School Musical film series. In animation, he has voiced characters like Andy from the Toy Story films, Tombo in Kiki's Delivery Service, and Rallo Tubbs in The Cleveland Show. A notable role in anime is his performance as the character Pazu in the Spanish dubbing of the Studio Ghibli film Castle in the Sky.

In addition to his dubbing work, Nacho Aldeguer has an active career as an on-screen actor in film, television, and theatre. He made his film debut in 2005 in Otros días vendrán. He gained recognition for his role as Felipe in the long-running Spanish television series Cuéntame cómo pasó and as César Borgia in the series Isabel. His film credits also include playing a young Luis Miguel Dominguín in Manolete.

Beyond acting, Aldeguer is also a musician and writer. He leads a music group called Capman, which fuses rap and jazz, and he released an album titled Lecciones de vida in 2010. In 2017, he founded his own production company, Bella Batalla Productions, through which he develops and directs stage productions for Spanish theaters and festivals.